Description of the GFS MOS MAV Alphanumeric Message

The short-range GFS-Based MOS MAV guidance is generated from 0000, 0600, 1200, and 1800 UTC model output from NCEP's Global Forecast System (GFS).
This guidance is valid for stations in the United States, Puerto Rico, and the U.S. Virgin Islands. For the
most recent station list click here.
Forecast elements are valid from 6 to 72 hours in advance.